pendulum造句
In education, the
pendulum has swung back to traditional teaching methods.
教育界又恢复了传统教学法。
The ball which hung the roof is compound
pendulum.
悬挂在墙上的钟来回摆动.
The familiar
pendulum swing was to happen once more, and then stop.
常见的钟摆来回现象,会再次发生, 然后就停止不动了.